{"coeffs": [-7.31315885106557e-06, 0.0006624180140416716, 2.2186215327227203, 0.5219116317072771], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.638226486604579e-06, 0.0037216883422550337, 3.4799039897162416, 0.16060124044587695], "covariance": [[6.960238994621939e-12, -9.564688555116287e-09, -8.968836403906712e-06, -4.206167882504385e-07], [-9.564688555116205e-09, 1.3850964116877021e-05, 0.012950010140145919, 0.0005940452867441481], [-8.96883640390668e-06, 0.012950010140145919, 12.109731777643017, 0.5562109856252866], [-4.2061678825043854e-07, 0.0005940452867441481, 0.5562109856252866, 0.025792758432754383]]}